Former world champion Hernan "Tyson" Marquez faces Filipino contender Mark Apolinario on Saturday night in Las Vegas - as part of a Unimas/Azteca 7. Former for Brian Viloria will see action on the same card. Marquez (37-4, 27 KOs) and "Iceman" Apolinario (18-3-3, 4 KOs) will be part of the bill at Texas Station Casino. Viloria will face Puerto Rican Juan Herrera on the Zanfer Promotions/Top Rank card.